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Official data from INPI

FECHADURA APERFEIÇOADA

ConcedidaInvention Patent

Application data

Number

PI8307237

Type

Invention Patent

Filing

12/29/1983

Publication

08/06/1985

Progress at the INPI

  1. Filing12/29/83
  2. Publication08/06/85
  3. Examination11/05/85
  4. Allowance12/08/87
  5. Grant08/29/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Papaiz Indústria e Comércio Ltda

SP, BR

See this company's full portfolio

Inventors

S. V. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

01/17/1989

RPI 952

110

11/01/1988

RPI 941

Recurso

#12.1

04/05/1988

RPI 911

Deferimento

#9.1

12/08/1987

RPI 894

Pedido de certificado de adição de invenção

#5.1

02/04/1986

RPI 798

Solicitação de exame técnico

#4.1

11/05/1985

RPI 785

Publicação do pedido de patente

#3.1

08/06/1985

RPI 772

Pedido de patente depositado

#2.1

03/13/1984

RPI 699

Carta-patente expirada

#21.1

Patente extinta em 29/12/98

07/01/2008

RPI 1956

200

05/07/1991

RPI 1066

Pedido de licença voluntária

#17.1

10/02/1990

RPI 1035

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